Home / 1,127,821.56-1,556,438.70-618,542.52

Finding the Fourth Proportional to 1,127,821.56, 1,556,438.70 and 618,542.52

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Solution

The fourth proportional to 1,127,821.56, 1,556,438.70 and 618,542.52 is: 853,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,821.56 : 1,556,438.70 = 618,542.52 : x
  2. Step 2: Convert to fraction form
    1,127,821.56/1,556,438.70 = 618,542.52/x
  3. Step 3: Cross multiply
    1,127,821.56x = 1,556,438.70 × 618,542.52
  4. Step 4: Simplify right side
    1,127,821.56x = 962,723,515,723.52
  5. Step 5: Solve for x
    x = 962,723,515,723.52/1,127,821.56
  6. Step 6: Final answer
    x = 853,613.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.